[Elecraft] [K3] KRX3 + RX antenna

rkayakr rbenedic at neo.rr.com
Tue Oct 27 14:55:33 EDT 2009


Franki

>
>I assume the 2nd RX (aux RF) is protected against RF pickup from the TX 
>antenna?

See "Question re K3 diversity reception" thread on subreceiver protection
http://n2.nabble.com/Question-re-K3-diversity-reception-td1664307.html#a1664741

quote
"The KRX3's AUX input is protected by a gas-discharge tube, bleeder
resistor, and carrier-operated relay. It is very unlikely to be
damaged. However, activation of the COR (which you would hear as you
key the rig, etc.) can be disruptive to T-R sequencing. If you hear the
COR relay go on, I'd strongly suggest that you either reduce the
coupling between the two antennas or provide external switching or
shorting (this could be done via the KEY OUT jack on the K3).

73,
Wayne"

I made a relay driven by key out to disconnect my K9AY from my K3
subreceiver. AY Technologies used to sell one, but it is no longer
available.

   Bob


N6KR 
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